Bridges--South Carolina; Bridges -- Design and Construction; John P. Grace Memorial Bridge (Charleston, S.C.); Timber; Railroads; Ships
Description
Image #429 (2.75" x 4.5"): "6-11-29. Lifting 500 ton capacity hydraulic jack by its 12 1/2" [diameter] plunger to test the section."; Image #430 (2.75" x 4.5"): "6-12-29. Frame for testing hydraulic jacks. Capacity about 50 tons."; Image #431 (2.75" x 4.5"): "6-13-29. Progress. West cantilever (left) complete to U17 L17. Right (east) arm to L16."; Image #432 (2.75" x 4.5"): "6-12-29. Looking east from south of Pier 5."
Digital image copyright 2009, Charleston County Public Library. All rights reserved. For more information contact the Charleston Archive, Charleston County Public Library, 68 Calhoun Street, Charleston, SC 29401